November 2020 security patch fixed a serious bug in Exynos 990 powered Galaxy devices

Samsung has already sent November security updates for its Galaxy devices. Some of the devices even received this patch ahead of November. Aside from the rollout, there’s a security issue that you should know and had appeared on flagship Samsung smartphones.

Samsung has now published the November 2020 security patch details. As usual, the South Korean tech giant fixed different levels of exploits and issues within Samsung phones including 5 Critical, 29 High, and 31 Moderate levels of CVEs. You can check the complete detail of CVEs here.

By looking at the details in detail, we found that the patch fixes a major security issue in devices featuring Exynos 990 and runs Android 10 (One UI 2.x). These devices include Samsung Galaxy S20 Series, Note 20 series, and S20 FE smartphones.

According to the information, the disclosed threat found on Exynos 990 chip allows arbitrary code execution, leading attackers to access your sensitive information/data.

The issue was initially reported on August 11, 2020, but now fixed with patches that prevent buffer overflow and prevents from being comprised.

Related: List of eligible Samsung galaxy devices for monthly and quarterly security updates [November 2020]

Samsung Galaxy S20 Series

Check the details of the fixed vulnerability and affected criteria below:

SVE-2020-18632: Arbitrary code execution in S3K250AF

Severity: High
Affected versions: Q(10.0) devices with Exynos990 chipset
Reported on: August 11, 2020
Disclosure Status: Privately disclosed.

Samsung had previously introduced a Common Criteria Evaluation Assurance Level (CC EAL) 5+ certified Secure Element (SE) turnkey solution for mobile devices. The Secure Element offers a strong security solution, consisting of a security chip (S3K250AF) and optimized software, that fully guards private data on an isolated data storage.